Last page is so true. I can't stop reading this.
Finally an isekai MC that's not overpowered at all...
There are other isekai manga where the MC doesn't look OP at first, but they have an ability to grow stronger and stronger as the story progresses. This MC is not like that: if he wants to grow stronger, he has to keep his allies alive and make sure they grow in his stead. That's a huge handicap when other isekai MCs just get thrown bones here and there, and grow stronger every volume.